CN112927942A - Processing technology of surface mount type aluminum electrolytic capacitor - Google Patents
Processing technology of surface mount type aluminum electrolytic capacitor Download PDFInfo
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- CN112927942A CN112927942A CN202110092030.XA CN202110092030A CN112927942A CN 112927942 A CN112927942 A CN 112927942A CN 202110092030 A CN202110092030 A CN 202110092030A CN 112927942 A CN112927942 A CN 112927942A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 150
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 47
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 28
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 28
- 230000000694 effects Effects 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/08—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/145—Liquid electrolytic capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention relates to the technical field of capacitors, in particular to a processing technology of a patch type aluminum electrolytic capacitor, which has the technical scheme key points that the processing technology comprises the following steps: processing the mounting seat, forming a fixing groove and a mounting groove in the top of the mounting seat from top to bottom, arranging a positioning block at the center of the bottom of the mounting groove, placing the contact block inwards from the bottom of the mounting seat, and fixing the welding block on the bottom of the mounting seat; putting the capacitor body and the terminal thereof into the mounting seat, and embedding the positioning block into the positioning groove of the terminal; the mounting cover is screwed into the mounting seat through the fixing groove, and the mounting cover covers and tightly abuts against the capacitor body and the terminal of the capacitor body.
Description
Technical Field
The invention relates to the technical field of capacitors, in particular to a processing technology of a surface mount type aluminum electrolytic capacitor.
Background
The cathode of the patch type aluminum electrolytic capacitor is made of electrolyte, which is a very wide capacitor, and actually other kinds of patch point electrolytic capacitors, such as aluminum solid polymer capacitor, are similar to the manufacturing method, but the cathode is made of a material other than electrolyte, such as solid polymer, etc., and the patch type aluminum electrolytic capacitor is characterized in that: firstly, the chip capacitor and the bottom plate are soldered, the bottom of the capacitor and the bottom plate are tightly attached, and no gap exists; second, the backside of the wiring board does not have any pads, and thus there is no possibility of causing short circuits. On the other hand, the cost of the selected element and the production process of the patch capacitor is higher than that of a plug-in capacitor, and the requirements on the element are firstly that the sealing effect is good, secondly that the heat resistance is good, and thirdly that the patch capacitor has chemical resistance and can not generate chemical reaction with electrolyte and other substances in the capacitor.
In the related art, certain damage of the patch capacitor can occur in the long-term use process, but when the patch capacitor needs to be repaired or replaced after being damaged, the patch capacitor needs to be replaced by welding or other methods.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the patch capacitor is not only inconvenient to replace and emits harmful smoke to a human body when being welded, but also can cause the left and right shaking of the capacitor if the equipment is vibrated by only being fixed on an electric board through a guide line, thereby possibly causing the short circuit when the patch capacitor falls.
Disclosure of Invention
In order to have the effect of convenient replacement, the application provides a processing technology of a patch type aluminum electrolytic capacitor.
The processing technology of the patch type aluminum electrolytic capacitor adopts the following technical scheme:
a processing technology of a patch type aluminum electrolytic capacitor comprises the following steps:
the method comprises the following steps: processing the mounting seat;
step two: putting the capacitor body and the terminals thereof into the mounting seat;
step three: and fixing the mounting cover on the mounting seat, wherein the mounting cover covers and tightly abuts against the capacitor body and the terminal thereof.
Through adopting the above technical scheme, when attaching this SMD aluminum electrolytic capacitor to the electronic plate, put into the mount pad with capacitor body and terminal earlier, then make the installation cover be fixed in the mount pad and support capacitor body and terminal tightly in the mount pad, weld the mount pad on the electronic plate at last again, when this SMD aluminum electrolytic capacitor appears damaging and needs to maintain or change, through demolising the installation cover, just can break away from the mount pad with the installation cover, in order to take out capacitor body and terminal, thereby maintain or change the capacitor body, make this SMD aluminum electrolytic capacitor have the convenient effect of change.
The utility model provides a SMD aluminum electrolytic capacitor, includes capacitor body, mount pad and installation cover, capacitor body's one end is connected with the terminal, mounting groove and fixed slot have been seted up at the mount pad top, the mounting groove supplies the terminal with capacitor body puts into in proper order, the fixed slot supplies the installation cover is put into and is fixed, the installation cover can with capacitor body with the terminal support tightly in the mounting groove, the bottom of mount pad is provided with contact piece, contact piece runs through simultaneously the top surface and the bottom surface of mount pad bottom, the bottom surface of mount pad is provided with the welding piece, the terminal is provided with anodal and connects lead piece and negative pole and connect the lead piece, anodal connect the lead piece with the negative pole connects the lead piece and all is connected with contact piece.
By adopting the technical scheme, when the patch type aluminum electrolytic capacitor is attached to the electronic board, the capacitor body and the terminal thereof are firstly put into the mounting seat through the mounting groove, so that the positive electrode lead block and the negative electrode lead block of the terminal part are respectively butted and connected with the contact block, then fixing the mounting cover in the fixing groove to fix the mounting cover on the mounting seat and make the capacitor body and the terminal tightly abut against the mounting seat, finally welding the mounting seat on the electronic board, and during welding, welding the welding block at the bottom of the mounting seat to realize connection, when the patch type aluminum electrolytic capacitor is damaged and needs to be maintained or replaced, the mounting cover can be separated from the mounting seat by dismounting the mounting cover so as to take out the capacitor body and the terminal thereof, therefore, the capacitor body is maintained or replaced, and the patch type aluminum electrolytic capacitor has the effect of convenient replacement.
Preferably, the fixed slot is a circular slot, an internal thread is formed on the inner wall of the fixed slot, the mounting cover is in a cylindrical shape with an opening at the bottom and a hollow interior, an external thread is formed on the outer wall of the bottom end of the mounting cover, and the mounting cover and the fixed slot can be in threaded connection through the external thread and the internal thread.
Through adopting above-mentioned technical scheme, through in order to realize threaded connection with installation cover and fixed slot in the fixed slot with installing cover screw in to on will installing the cover and fixing the mount pad, when needs maintenance or change capacitor body and terminal, through unscrewing the installation cover from the fixed slot, just can demolish the installation cover from the mount pad, thereby be convenient for this SMD aluminum electrolytic capacitor maintain or change.
Preferably, a gap is formed between the inner wall of the mounting cover and the outer wall of the capacitor body, a propping block is arranged at the inner top of the mounting cover, and the mounting cover props against the capacitor body and the terminal thereof through the propping block.
Through adopting above-mentioned technical scheme, the clearance between installation cover and the capacitor body and the setting of supporting tight piece have reduced the area of contact between installation cover and the capacitor body effectively, are convenient for the heat dissipation of capacitor body.
Preferably, the bottom of the mounting seat is provided with a contact groove for placing the contact block, the vertical section of the contact block is T-shaped so as to have a thick end and a thin end which are connected with each other, the contact groove is formed corresponding to the shape of the mounting block, and the contact block is placed into the contact groove from the bottom surface of the mounting seat.
Through adopting above-mentioned technical scheme, after the contact piece was put into the contact slot, the welding piece was supported the contact piece steadily tightly in the contact slot, avoided making the contact piece easily break away from the contact slot because of taking out of capacitor body and terminal thereof.
Preferably, a plurality of connecting grooves are formed in the bottom surface of the mounting seat, and the welding block seals the connecting grooves.
Through adopting above-mentioned technical scheme, can flow into a plurality of spread grooves after the welding block welding to increase mount pad welding stability, thereby improve SMD aluminum electrolytic capacitor's attached stability.
Preferably, the bottom of the mounting groove is provided with a positioning block, the bottom of the terminal is provided with a positioning groove, the positioning block corresponds to the positioning groove, and when the positioning block is embedded into the positioning groove, the positive electrode lead block and the negative electrode lead block are respectively connected with the contact block in an abutting mode.
Through adopting above-mentioned technical scheme, the setting of locating piece and seting up of constant head tank put into the mounting groove to capacitor body and terminal and play the positioning action to make anodal lead block and the negative pole connect lead block can be accurately contradicted with the contact piece and be connected.
Preferably, an elastic gasket is arranged at the bottom of the mounting groove, and the terminal can abut against the elastic gasket.
Through adopting above-mentioned technical scheme, putting into the in-process of mounting groove with capacitor body and terminal, the resilient pads can provide the cushioning effect, plays the protection effect to putting into of capacitor body and terminal.
Preferably, a plurality of heat dissipation holes are formed in the side wall of the mounting cover in a penetrating manner.
Through adopting above-mentioned technical scheme, when the installation cover lid was established on capacitor body, the offering of a plurality of louvres can further be convenient for capacitor body's heat dissipation.
Preferably, the notch of the mounting groove is a trumpet-shaped opening.
Through adopting above-mentioned technical scheme, be convenient for capacitor body and terminal to put into the mounting groove for the open-ended mounting groove of loudspeaker form.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the surface mount type aluminum electrolytic capacitor is damaged and needs to be maintained or replaced, the mounting cover can be separated from the mounting seat by dismounting the mounting cover so as to take out the capacitor body and the terminal thereof, so that the capacitor body is maintained or replaced, and the surface mount type aluminum electrolytic capacitor has the effect of convenient replacement;
2. the gap between the mounting cover and the capacitor body and the arrangement of the abutting block effectively reduce the contact area between the mounting cover and the capacitor body, so that the heat dissipation of the capacitor body is facilitated;
3. when the installation cover covers the capacitor body, the plurality of radiating holes are formed, so that the capacitor body can be further conveniently radiated.
Drawings
Fig. 1 is a structural sectional view of a patch type aluminum electrolytic capacitor in an embodiment of the present application.
Description of reference numerals: 1. a capacitor body; 11. a terminal; 2. a mounting seat; 21. mounting grooves; 22. fixing grooves; 3. mounting a cover; 31. a propping block; 32. heat dissipation holes; 41. the positive electrode is connected with a lead block; 42. a negative electrode lead block; 43. a contact block; 431. a contact groove; 51. welding the blocks; 52. connecting grooves; 61. positioning blocks; 62. positioning a groove; 7. an elastic pad.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
In a first aspect, an embodiment of the present application discloses a chip aluminum electrolytic capacitor. Referring to fig. 1, the chip aluminum electrolytic capacitor includes a capacitor body 1, a mounting base 2, and a mounting cover 3.
The capacitor body 1 is cylindrical in shape, the shell of the capacitor body 1 is an aluminum cylinder, one end of the capacitor body 1 is connected with the terminal 11, the terminal 11 is fixedly connected to one end of the capacitor body 1 in the axial direction, the terminal 11 is in a circular plate shape, the diameter of the terminal 11 is larger than the outer diameter of the capacitor body 1, and when the terminal 11 is fixedly connected to one end of the capacitor body 1, the axial line of the terminal 11 is collinear with the axial line of the capacitor body 1.
The mounting seat 2 is cylindrical in shape, and the outer diameter of the mounting seat 2 is larger than the outer diameter of the capacitor body 1 and the diameter of the terminal 11, and in this embodiment, the height of the mounting seat 2 is smaller than the height of the capacitor body 1. Mounting groove 21 and fixed slot 22 have been seted up from top to bottom in proper order to the top of mount pad 2, and the degree of depth of mounting groove 21 is greater than the degree of depth of fixed slot 22. The mounting groove 21 is a circular groove in which the terminal 11 and the capacitor body 1 are sequentially inserted, and accordingly, the mounting groove 21 is a circular groove. Further, the diameter of the mounting groove 21 is equal to the diameter of the terminal 11, so that when the capacitor body 1 and the terminal 11 thereof are placed in the mounting groove 21, the side wall of the terminal 11 is attached to the inner wall of the mounting groove 21. The fixing groove 22 is used for placing and fixing the installation cover 3, and the installation cover 3 can tightly press the capacitor body 1 and the terminal 11 in the installation groove 21.
The bottom of mount pad 2 is provided with contact piece 43, contact piece 43 runs through the top surface and the bottom surface of mount pad 2 bottom simultaneously, in this embodiment, the quantity of contact piece 43 is two, two contact pieces 43 are along the diameter direction interval arrangement of mount pad 2, and, the bottom surface of mount pad 2 is provided with welding block 51, welding block 51 is the cake form, it is further, terminal 11 is fixed to be provided with anodal draw block 41 and negative pole and connects draw block 42, anodal draw block 41 and negative pole connect draw block 42 all to be connected with contact piece 43 and respectively with two contact pieces 43 one-to-one ground conflict connections. At this time, when the chip aluminum electrolytic capacitor is attached to the electronic board, the capacitor body 1 and the terminal 11 thereof are firstly put into the mounting seat 2 through the mounting groove 21, so that the positive electrode lead block 41 and the negative electrode lead block of the terminal 11 part respectively contact with the connecting contact block 43, then the mounting cover 3 is fixed in the fixing groove 22, the mounting cover 3 is fixed in the mounting seat 2, the capacitor body 1 and the terminal 11 are tightly contacted in the mounting seat 2, finally the mounting seat 2 is welded on the electronic board, when welding, the welding block 51 at the bottom of the mounting seat 2 is welded to realize connection, when the chip aluminum electrolytic capacitor is damaged and needs to be maintained or replaced, the mounting cover 3 can be separated from the mounting seat 2 by removing the mounting cover 3, so as to take out the capacitor body 1 and the terminal 11 thereof, thereby maintaining or replacing the capacitor body 1, the patch type aluminum electrolytic capacitor has the effect of convenient replacement.
The fixing groove 22 is a circular groove, the inner diameter of the fixing groove 22 is larger than that of the mounting groove 21, and an inner thread is formed on the inner wall of the fixing groove 22. Correspondingly, the installation cover 3 is a cylinder with an opening at the bottom and a hollow interior, an external thread is arranged on the outer wall of the bottom end of the installation cover 3, and the installation cover 3 and the fixing groove 22 can be in threaded connection through the external thread and the internal thread. At this time, the mounting cover 3 is screwed into the fixing groove 22 to screw the mounting cover 3 and the fixing groove 22, so that the mounting cover 3 is fixed to the mounting base 2, and when the capacitor body 1 and the terminal 11 thereof need to be repaired or replaced, the mounting cover 3 can be removed from the mounting base 2 by screwing the mounting cover 3 out of the fixing groove 22, so that the patch type aluminum electrolytic capacitor can be repaired or replaced conveniently.
The opening at the bottom of the mounting cover 3 is circular and has a diameter larger than the outer diameter of the capacitor body 1, so that a gap is formed between the inner wall of the mounting cover 3 and the outer wall of the capacitor body 1, and after the mounting cover 3 is fixed in the fixing groove 22 of the mounting base 2, a gap is also formed between the top of the mounting cover 3 and the top of the capacitor body 1. Further, the top is provided with the piece 31 of supporting in the installation cover 3, and in this embodiment, the piece 31 of supporting is the cake form, and the quantity of the piece 31 of supporting is two, and two pieces 31 of supporting are arranged along the diameter direction interval of installation cover 3, and installation cover 3 supports capacitor body 1 and its terminal 11 through two pieces 31 of supporting. The clearance between installation cover 3 and capacitor body 1 and the setting of tight piece 31 of support have reduced the area of contact between installation cover 3 and the capacitor body 1 effectively, are convenient for the heat dissipation of capacitor body 1.
The lateral wall of installation cover 3 runs through and has seted up multiunit louvre 32, and louvre 32 is the round hole, and louvre 32 level runs through installation cover 3, around the axis circumference range of installation cover 3 between the multiunit louvre 32, and the quantity of every group louvre 32 is a plurality of, and is a plurality of with organizing the louvre 32 is then along vertical direction evenly spaced arrangement, when installation cover 3 covers and establishes on capacitor body 1, the heat dissipation of capacitor body 1 of being convenient for can further be seted up to a plurality of louvres 32.
The number of the contact blocks 43 in the mounting base 2 is two, correspondingly, two contact grooves 431 for the contact blocks 43 to be put in are formed in the bottom of the mounting base 2, and the two contact grooves 431 are arranged at intervals along the diameter direction of the mounting base 2. Specifically, the vertical cross section of the contact block 43 is T-shaped to have a thick end and a thin end connected to each other, the thick end and the thin end of the contact block 43 are both cylindrical, and the diameter of the thick end is larger than that of the thin end. The contact groove 431 is formed corresponding to the shape of the mounting block, and when the contact block 43 is inserted into the contact groove 431 from the bottom surface of the mounting base 2, the thin end of the contact block 43 is positioned below the thick end. After the contact block 43 is placed in the contact groove 431, the welding block 51 stably and tightly supports the contact block 43 in the contact groove 431, so that the contact block 43 is prevented from being easily separated from the contact groove 431 due to the removal of the capacitor body 1 and the terminal 11 thereof.
A plurality of connecting grooves 52 have been seted up to the bottom surface of mount pad 2, and in this embodiment, connecting groove 52 is the circular slot, and the quantity of connecting groove 52 is four, and four connecting grooves 52 are arranged along the even interval of the diameter direction of mount pad 2, and the array direction of four connecting grooves 52 and the array direction between two contact grooves 431 are in the same direction, and welding piece 51 fixed connection is behind mount pad 2 bottom, and welding piece 51 seals four connecting grooves 52 simultaneously. At this time, the welding blocks 51 will flow into the four connecting grooves 52 after being welded, so as to increase the welding stability of the mounting base 2 when being used for welding on an electronic board, thereby improving the attachment stability of the surface mount type aluminum electrolytic capacitor.
The locating block 61 is fixedly arranged at the bottom of the mounting groove 21, the locating block 61 is rectangular, and the locating block 61 is specifically arranged at the center of the bottom of the mounting groove 21. Correspondingly, locating slot 62 has been seted up to terminal 11 bottom, and the shape that locating slot 62 corresponds locating piece 61 is the rectangular channel to make when capacitor body 1 and its terminal 11 put into mounting groove 21, locating piece 61 can imbed in the locating slot 62, and, in this embodiment, the groove depth of locating slot 62 is greater than the thickness of the vertical direction of locating piece 61. When the locating block 61 is embedded into the locating groove 62, the positive electrode lead block 41 and the negative electrode lead block 42 are respectively abutted against and connected with the two contact blocks 43, the capacitor body 1 and the terminal 11 thereof are placed into the mounting groove 21 to be positioned by the arrangement of the locating block 61 and the arrangement of the locating groove 62, so that the positive electrode lead block 41 and the negative electrode lead block 42 can be accurately abutted against and connected with the contact blocks 43.
The groove bottom of the mounting groove 21 is provided with an elastic gasket 7, and the terminal 11 can be tightly pressed against the elastic gasket 7. In this embodiment, elastic gasket 7 is plastic flexible material, and elastic gasket 7 is the ring form, and elastic gasket 7's external diameter equals the internal diameter of mounting groove 21 to make elastic gasket 7 can place stably in mounting groove 21, elastic gasket 7's internal diameter is greater than anodal the biggest distance that connects between lead block 41 and the negative pole and connect lead block 42, in order to avoid elastic gasket 7 to influence anodal the connection that connects lead block 41, negative pole and connect between lead block 42 and two contact blocks 43. In the process of putting the capacitor body 1 and the terminal 11 thereof into the mounting groove 21, the elastic gasket 7 can provide a buffer effect, and has a protection effect on the putting of the capacitor body 1 and the terminal 11 thereof.
The notch of mounting groove 21 is the tubaeform opening, and the internal diameter at mounting groove 21 top gradually increases from inside to outside promptly, and the mounting groove 21 that is tubaeform open-ended is convenient for capacitor body 1 and terminal 11 to put into in mounting groove 21.
In a second aspect, the embodiment of the application further discloses a processing technology of the patch type aluminum electrolytic capacitor. Referring to fig. 1, the processing technology of the patch type aluminum electrolytic capacitor comprises the following steps:
the method comprises the following steps: processing the mounting seat 2, forming a fixing groove 22 and a mounting groove 21 on the top of the mounting seat 2 from top to bottom, arranging a positioning block 61 at the center of the bottom of the mounting groove 21, placing the contact block 43 from the bottom of the mounting seat 2 to the inside, and fixing the welding block 51 on the bottom of the mounting seat 2;
step two: placing the capacitor body 1 and the terminal 11 thereof into the mounting base 2, and embedding the positioning block 61 into the positioning groove 62 of the terminal 11;
step three: the mounting cover 3 is screwed into the mounting seat 2 through the fixing groove 22, and the mounting cover 3 covers and tightly abuts against the capacitor body 1 and the terminal 11.
The implementation principle of the processing technology of the patch type aluminum electrolytic capacitor in the embodiment of the application is as follows: when the patch type aluminum electrolytic capacitor is attached to an electronic board, firstly, the capacitor body 1 and the terminal 11 thereof are put into the mounting seat 2 through the mounting groove 21, so that the positive electrode lead block 41 and the negative electrode lead block of the terminal 11 are respectively abutted against the connection contact block 43, then the mounting cover 3 is fixed in the fixing groove 22, the mounting cover 3 is fixed in the mounting seat 2, the capacitor body 1 and the terminal 11 are abutted against the mounting seat 2, finally, the mounting seat 2 is welded on the electronic board, during welding, the welding block 51 at the bottom of the mounting seat 2 is welded and melted to realize connection, when the patch type aluminum electrolytic capacitor is damaged and needs to be maintained or replaced, the mounting cover 3 can be separated from the mounting seat 2 by removing the mounting cover 3, so as to take out the capacitor body 1 and the terminal 11 thereof, thereby maintaining or replacing the capacitor body 1, the patch type aluminum electrolytic capacitor has the effect of convenient replacement.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A processing technology of a patch type aluminum electrolytic capacitor is characterized by comprising the following steps:
the method comprises the following steps: processing the mounting seat (2);
step two: putting the capacitor body (1) and the terminal (11) thereof into the mounting seat (2);
step three: the mounting cover (3) is fixed on the mounting base (2), and the mounting cover (3) covers and abuts against the capacitor body (1) and the terminal (11) thereof.
2. A chip type aluminum electrolytic capacitor, which adopts the processing technology of the chip type aluminum electrolytic capacitor of claim 1, and is characterized in that: the capacitor comprises a capacitor body (1), a mounting seat (2) and a mounting cover (3), wherein one end of the capacitor body (1) is connected with a terminal (11), the top of the mounting seat (2) is provided with a mounting groove (21) and a fixing groove (22), the mounting groove (21) is used for sequentially putting the terminal (11) and the capacitor body (1), the fixing groove (22) is used for putting the mounting cover (3) into and fixing the mounting cover, the mounting cover (3) can tightly support the capacitor body (1) and the terminal (11) in the mounting groove (21), the bottom of the mounting seat (2) is provided with a contact block (43), the contact block (43) simultaneously penetrates through the top surface and the bottom surface of the bottom of the mounting seat (2), the bottom surface of the mounting seat (2) is provided with a welding block (51), the terminal (11) is provided with a positive electrode lead block (41) and a negative electrode lead block (42), the positive electrode lead block (41) and the negative electrode lead block (42) are both connected with the contact block (43).
3. The chip type aluminum electrolytic capacitor according to claim 2, wherein: the fixing groove (22) is a circular groove, an internal thread is formed in the inner wall of the fixing groove (22), the mounting cover (3) is in a cylindrical shape with an opening at the bottom and hollow inside, an external thread is formed in the outer wall of the bottom end of the mounting cover (3), and the mounting cover (3) is in threaded connection with the internal thread through the external thread.
4. The chip type aluminum electrolytic capacitor according to claim 3, wherein: the capacitor comprises a capacitor body (1) and is characterized in that a gap is formed between the inner wall of the mounting cover (3) and the outer wall of the capacitor body (1), a propping block (31) is arranged at the inner top of the mounting cover (3), and the mounting cover (3) props against the capacitor body (1) and a terminal (11) thereof through the propping block (31).
5. The surface mount type aluminum electrolytic capacitor according to claim 4, wherein: the contact groove (431) for placing the contact block (43) is formed in the bottom of the mounting seat (2), the vertical section of the contact block (43) is T-shaped and is provided with a thick end and a thin end which are connected with each other, the contact groove (431) is formed corresponding to the shape of the mounting block, and the contact block (43) is placed into the contact groove (431) from the bottom surface of the mounting seat (2).
6. The chip type aluminum electrolytic capacitor according to claim 5, wherein: a plurality of connecting grooves (52) are formed in the bottom face of the mounting base (2), and the welding block (51) seals the connecting grooves (52).
7. The chip type aluminum electrolytic capacitor according to claim 6, wherein: the tank bottom of mounting groove (21) is provided with locating piece (61), constant head tank (62) have been seted up to terminal (11) bottom, locating piece (61) with constant head tank (62) correspond, work as locating piece (61) embedding when in constant head tank (62), anodal lead block (41) and negative pole lead block (42) respectively with contact piece (43) are contradicted and are connected.
8. The chip type aluminum electrolytic capacitor according to claim 7, wherein: an elastic gasket (7) is arranged at the bottom of the mounting groove (21), and the terminal (11) can be abutted against the elastic gasket (7).
9. The chip type aluminum electrolytic capacitor according to claim 8, wherein: the side wall of the mounting cover (3) is provided with a plurality of heat dissipation holes (32) in a penetrating manner.
10. The chip type aluminum electrolytic capacitor according to claim 9, wherein: the notch of the mounting groove (21) is a trumpet-shaped opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110092030.XA CN112927942A (en) | 2021-01-23 | 2021-01-23 | Processing technology of surface mount type aluminum electrolytic capacitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110092030.XA CN112927942A (en) | 2021-01-23 | 2021-01-23 | Processing technology of surface mount type aluminum electrolytic capacitor |
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| CN112927942A true CN112927942A (en) | 2021-06-08 |
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| CN202110092030.XA Pending CN112927942A (en) | 2021-01-23 | 2021-01-23 | Processing technology of surface mount type aluminum electrolytic capacitor |
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2021
- 2021-01-23 CN CN202110092030.XA patent/CN112927942A/en active Pending
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